Opening histories of fractures in sandstone, S E Laubach, R H Lander, L M Bonnell, J E Olson and R M Reed • Growth of ductile opening-mode fractures in geomaterials, P Eichhubl • Age and depth evidence for pre-exhumation joints in granite plutons: fracturing during the early cooling stage of felsic rock, P Bankwitz, E Bankwitz, R Thomas, K Wemmer and H Kämpf • The feedback between joint-zone development and downward erosion of regularly spaced canyons in the Navajo sandstone, Zion National Park, Utah, C M Rogers and T Engelder • Predicting fracture swarms - the influence of subcritical crack growth and the crack-tip process zone on joint spacing in rock, J E Olson • Fracture-pattern variations around a major fold and their implications regarding fracture prediction using limited data: an example from the Bristol Channel basin, M Belayneh and J W Cosgrove • The index of hackle raggedness on joint fringes, D Bahat, P Bankwitz and E Bankwitz • Arrest and aperture variation of hydrofractures in layered reservoirs, S L Brenner and A Gudmundsson • Preferential jointing of Upper Devonian black shale, Appalachian Plateau, USA: evidence supporting hydrocarbon generation as a joint-driving mechanism, G Lash, S Loewy and T Engelder • Using differential geometry to characterize and analyse the morphology of joints, D D Pollard, S Bergbauer and I Mynatt • The relationship of tilt and twist of fringe cracks in granite plutons, P Bankwitz and E Bankwitz • Differences between veins and joints using the example of the Jurassic limestones of Somerset, D C P Peacock • Fracture development within a stratovolcano: the Karaha-Telaga Bodas geothermal field, Java volcanic arc, M Nemèok, J N Moore, R Allis and J McCulloch • Palaeostress orientation inferred from surface morphology of joints on the southern margin of the Bristol Channel Basin, UK, M Belayneh • Eight distinct fault-joint geometric/genetic relationships in the Beer Sheva syncline, Israel, D Bahat • Probabilistic-mechanistic simulation of bed-normal joint patterns, W Hoffmann, W M Dunne and M Mauldon • The orientation distribution of single joint sets, T Engelder and J Delteil • Stress-controlled localization of deformation and fluid flow in fractured rocks, D J Sanderson and X Zhang • Indentation pits: a product of incipient slip on joints with a mesotopography, T Engelder, K Schulmann and O Lexa •